Double-bowl sink



FIG. 1 is a perspective view taken from the top, front, and right side of a double-bowl sink showing my new design;

FIG. 2 is a top plan thereof;

FIG. 3 is a front elevation thereof; and,

FIG. 4 is an elevation of the right side thereof, the left side thereof being a mirror image thereof.

The undersigned of the sink shown in the accompanying drawings is not ornamental. Broken-line showings of openings for mounting of faucets, spray nozzles, or others fittings are for illustrative purposes only and form no part of my claimed design. 

The ornamental design for a double-bowl sink, as shown and described. 